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Share some HCNA-Transmission H31-311-ENU exam questions and answers below.
Which of the following descriptions on ODU0's electrical layer multiplexing and mapping steps are wrong?
A. 2-way ODU0 signal, through the mapping and multiplexing, and ultimately can be reused as 1-way OTU1 [V] signal
B. 8-way ODU0 signal, through the mapping and multiplexing, and ultimately can be reused as 1-way OTU2 [V] signal
C. 34-way ODU0 signal, through the mapping and multiplexed, and ultimately can be reused as 1-way OTU3 [V] signal
D. 80-way ODU0 signal, through the mapping and multiplexing, and ultimately can be reused as 1-way OTU4 [V] signal
Answer: C
Which of the following number of VLANs can QINQ technology provide?
A. 4095*4095
B. 4096*1024
C. 4096
D. 1024*1024
Answer: A
Which of the following situation happens, the ODUk_PM_DEG alarm is reported on the network management?
A. The error code of the PM segment in ODU layer exceeds the limit; the number of error codes exceeds the threshold of the specified error codes excess
B. The error code of the PM segment in ODU layer is degraded, the number of error codes exceed the threshold of the specified error degradation
C. The signal in ODUk TCMn layer is degraded, the number of error codes exceed the threshold of the error code excess
D. The error code in ODUk TCMn layer exceeds the limit, the number of error codes exceed the threshold of the specified error degradation
Answer: B

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